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transmission/qt/Utils.h
2023-02-11 14:49:42 -06:00

77 lines
1.7 KiB
C++

// This file Copyright © 2009-2023 Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
#pragma once
#include <cstddef> // size_t
#include <utility>
#include <QHash>
#include <QPointer>
#include <QRect>
#include <QString>
class QAbstractItemView;
class QColor;
class QHeaderView;
class QIcon;
class QModelIndex;
#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
namespace std
{
template<>
struct hash<QString>
{
std::size_t operator()(QString const& s) const
{
return qHash(s);
}
};
} // namespace std
#endif
class Utils
{
public:
static QIcon getIconFromIndex(QModelIndex const& index);
static QString removeTrailingDirSeparator(QString const& path);
static void narrowRect(QRect& rect, int dx1, int dx2, Qt::LayoutDirection direction)
{
if (direction == Qt::RightToLeft)
{
qSwap(dx1, dx2);
}
rect.adjust(dx1, 0, -dx2, 0);
}
static int measureViewItem(QAbstractItemView const* view, QString const& text);
static int measureHeaderItem(QHeaderView const* view, QString const& text);
static QColor getFadedColor(QColor const& color);
template<typename DialogT, typename... ArgsT>
static void openDialog(QPointer<DialogT>& dialog, ArgsT&&... args)
{
if (dialog.isNull())
{
dialog = new DialogT(std::forward<ArgsT>(args)...); // NOLINT clang-analyzer-cplusplus.NewDelete
dialog->setAttribute(Qt::WA_DeleteOnClose);
dialog->show();
}
else
{
dialog->raise();
dialog->activateWindow();
}
}
};